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Finding the Fourth Proportional to 176,938.60, 265,407.90 and 58,613.80

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Solution

The fourth proportional to 176,938.60, 265,407.90 and 58,613.80 is: 87,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,938.60 : 265,407.90 = 58,613.80 : x
  2. Step 2: Convert to fraction form
    176,938.60/265,407.90 = 58,613.80/x
  3. Step 3: Cross multiply
    176,938.60x = 265,407.90 × 58,613.80
  4. Step 4: Simplify right side
    176,938.60x = 15,556,565,569.02
  5. Step 5: Solve for x
    x = 15,556,565,569.02/176,938.60
  6. Step 6: Final answer
    x = 87,920.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.